1 2008-01-20 Paolo Bonzini <bonzini@gnu.org>
4 * emit-rtl.c (adjust_address_1): Make sure memref is never
7 2009-01-20 Ben Elliston <bje@au.ibm.com>
9 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
10 const qualifier from arg parameter. Remove unnecessary cast to
12 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
13 const qualifier from arg 2.
15 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
17 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
19 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
22 * rtl.h (reinit_regs): New prototype.
23 * regclass.c: Include ira.h.
25 * Makefile.in (regclass.o): Add ira.h.
26 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
28 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
31 * c-common.c (handle_aligned_attribute): Use
32 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
33 default alignment value.
35 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
37 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
38 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
40 * doc/extend.texi: Update __attribute__ ((aligned)). Document
41 __BIGGEST_ALIGNMENT__.
43 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
45 2009-01-18 Richard Guenther <rguenther@suse.de>
47 PR tree-optimization/38819
48 * tree-flow.h (operation_could_trap_helper_p): Declare.
49 * tree-eh.c (operation_could_trap_helper_p): Export.
50 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
51 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
52 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
53 are about to insert a possibly trapping instruction and fail
56 2009-01-18 Andreas Schwab <schwab@suse.de>
58 * doc/install.texi (Configuration): Remove obsolete paragraph
59 about use of --with-gnu-ld with --with-gnu-as.
61 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
63 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
64 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
65 Follow spelling conventions.
67 2009-01-18 Ben Elliston <bje@au.ibm.com>
69 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
70 C++ warning about implicit conversion from void * to struct
72 (bitmap_obstack_free): Likewise for bitmap_element *.
73 * Makefile.in (bitmap.o-warn): Remove.
75 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
77 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
79 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
80 Tobias Grosser <tobi.grosser@amd.com>
82 * graphite.c (graphite_trans_scop_block): Do not block single
85 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
87 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
88 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
91 2009-01-16 Richard Guenther <rguenther@suse.de>
93 PR tree-optimization/38835
95 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
96 and INT + PTR -> (INT)(PTR p+ INT) folding.
97 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
99 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
102 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
103 the subreg from a lowpart subreg if it is also casting the value.
105 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
106 Tobias Grosser <tobi.grosser@amd.com>
108 * graphite.c (compare_prefix_loops): New.
109 (build_scop_canonical_schedules): Rewritten.
110 (graphite_transform_loops): Move build_scop_canonical_schedules
111 after build_scop_iteration_domain.
113 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
114 Tobias Grosser <tobi.grosser@amd.com>
116 * graphite.c (add_conditions_to_domain): Add the loops to
117 the dimension of the iteration domain. Do copy the domain
119 (build_scop_conditions_1): Do not call add_conditions_to_domain.
120 (add_conditions_to_constraints): New.
121 (can_generate_code_stmt, can_generate_code): Removed.
122 (gloog): Do not call can_generate_code.
123 (graphite_transform_loops): Call add_conditions_to_constraints
124 after building the iteration domain.
126 2009-01-16 Jakub Jelinek <jakub@redhat.com>
128 PR tree-optimization/38789
129 * tree-ssa-threadedge.c
130 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
131 __builtin_constant_p.
133 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
135 * dce.c (delete_unmarked_insns): Reversed the order that insns are
136 examined before deleting them.
138 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
140 * function.c (aggregate_value_p): Correctly extract the function
141 type from CALL_EXPR_FN lookup.
143 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
145 * config/picochip/picochip.c (picochip_override_options): Revert
146 CFI asm flag disable commited previously.
148 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
149 Tobias Grosser <tobi.grosser@amd.com>
150 Jan Sjodin <jan.sjodin@amd.com>
152 * graphite.c (scan_tree_for_params): On substractions negate
153 all the coefficients of the term.
154 (clast_to_gcc_expression_red): New. Handle reduction expressions
155 of more than two operands.
156 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
157 (get_vdef_before_scop): Handle also the case of default definitions.
159 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
161 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
162 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
163 Also use them when walking CALL_INSN_FUNCTION_USAGE.
165 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
166 Joey Ye <joey.ye@intel.com>
169 * cfgexpand.c (expand_stack_alignment): Don't update stack
170 boundary nor check incoming stack boundary here.
171 (gimple_expand_cfg): Update stack boundary and check incoming
174 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
176 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed
179 2009-01-14 Jakub Jelinek <jakub@redhat.com>
181 PR rtl-optimization/38245
182 * calls.c (expand_call): Add stack arguments to
183 CALL_INSN_FUNCTION_USAGE even for pure calls (when
184 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
185 in regs and partially in memory or BLKmode arguments.
186 (emit_library_call_value_1): Add stack arguments to
187 CALL_INSN_FUNCTION_USAGE even for pure calls (when
188 ACCUMULATE_OUTGOING_ARGS).
189 * dce.c: Include tm_p.h.
190 (find_call_stack_args): New function.
191 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
193 (mark_insn): Call find_call_stack_args for CALL_Ps.
194 (prescan_insns_for_dce): Walk insns backwards in bb rather than
195 forwards. Allocate and free arg_stores bitmap if needed, pass it
196 down to deletable_insn_p, don't mark stores set in arg_stores
197 bitmap, clear the bitmap at the beginning of each bb.
198 * Makefile.in (dce.o): Depend on $(TM_P_H).
200 2009-01-14 Michael Meissner <gnu@the-meissners.org>
203 * i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f' to make
204 sure the insn is a conditional test (bug 22599). Reformat a few long
207 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
210 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
211 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
212 (gloog): Do not call cleanup_tree_cfg.
213 (graphite_transform_loops): Call cleanup_tree_cfg after all
214 scops have been code generated.
216 2009-01-14 Vladimir Makarov <vmakarov@redhat.com>
218 * testsuite/g++.dg/torture/pr38811.C: New file.
220 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
221 * doc/gty.texi (Invoking the garbage collector): Added new node
222 and section documenting ggc_collect.
224 2009-01-14 Richard Guenther <rguenther@suse.de>
226 PR tree-optimization/38826
228 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
229 initialization notes only if we actually emitted a warning.
230 (intra_create_variable_infos): Add constraints for a result decl
231 that is passed by hidden reference.
232 (build_pred_graph): Mark all related variables non-direct on
235 2009-01-14 Nick Clifton <nickc@redhat.com>
237 * ira-conflicts.c: Include addresses.h for the definition of
239 (ira_build_conflicts): Use base_reg_class instead of
241 * Makefile.in: Add a dependency of ira-conflicts.o on
244 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
247 * Makefile.in (ira-lives.o): Add except.h.
249 * ira-lives.c: Include except.h.
250 (process_bb_node_lives): Process can_throw_internal.
252 2009-01-13 Jakub Jelinek <jakub@redhat.com>
254 PR rtl-optimization/38774
255 * combine.c (simplify_set): When undoing cc_use change, don't do
256 PUT_CODE on the newly created comparison, but instead put back the
259 2009-01-13 Joseph Myers <joseph@codesourcery.com>
261 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
262 values. Remove duplicate arm8 entry.
264 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
266 PR tree-optimization/38786
267 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
268 the SSA_NAME case of expand_scalar_variables_expr.
269 Set the type of an expression to the type of its assign statement.
270 (expand_scalar_variables_expr): Also gather the scalar computation
271 used to index the memory access. Do not pass loop_p.
272 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
273 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
274 the gimple_stmt_iterator where it inserts new code. Do not pass loop_p.
275 (copy_bb_and_scalar_dependences): Do not pass loop_p.
276 (translate_clast): Update call to copy_bb_and_scalar_dependences.
278 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
280 * graphite.h (debug_value): Removed.
281 * graphite.c (debug_value): Removed.
283 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
285 * arm.c (output_move_double): Don't synthesize thumb-2 ldrd/strd with
286 two 32-bit instructions.
288 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
290 * arm.c (struct processors): Pass for speed down into cost helper
292 (const_ok_for_op): Handle COMPARE and inequality nodes.
293 (arm_rtx_costs_1): Rewrite.
294 (arm_size_rtx_costs): Update prototype.
295 (arm_rtx_costs): Pass speed down to helper functions.
296 (arm_slowmul_rtx_costs): Rework cost calculations.
297 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
298 (arm_9e_rtx_costs): Likewise.
300 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
302 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
303 relocations of local symbols wider than UNITS_PER_WORD are not valid.
304 (alpha_legitimize_address): Do not split local symbols wider than
305 UNITS_PER_WORD into HIGH/LO_SUM parts.
307 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
310 * gcc.c (process_command): Replace call to execvp with calls
313 2009-01-03 Anatoly Sokolov <aesok@post.ru>
316 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
317 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
318 variant for devices with 3-byte PC.
319 (__tablejump_elpm__) : New.
321 2009-01-12 Jakub Jelinek <jakub@redhat.com>
324 * c-parser.c (c_parser_postfix_expression): Allow `->' in
325 offsetof member-designator, handle it as `[0].'.
327 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
329 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
330 function when not using named sections on targets with named sections
331 if branch distance is less than 262132.
333 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
335 * combine.c (combine_instructions): Recompute
336 optimize_this_for_speed_p for each BB in the main combine loop.
338 2009-01-12 Tomas Bily <tbily@suse.cz>
341 * tree-loop-distribution.c (prop_phis): New function.
342 (generate_builtin): Call prop_phis.
343 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
345 2009-01-12 Jakub Jelinek <jakub@redhat.com>
347 PR tree-optimization/38807
348 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
349 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
351 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
353 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
354 subreg of op0 to the original op0.
356 2009-01-11 Laurent GUERBY <laurent@guerby.net>
358 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
360 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
363 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
364 starting with digits.
366 2009-01-10 Jakub Jelinek <jakub@redhat.com>
369 * config/arm/arm.c (arm_is_long_call_p): Don't call
370 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
372 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
374 * regrename.c (regrename_optimize): Fix dumping.
375 (find_oldest_value_reg): Preserve REG_POINTER.
376 (copy_hardreg_forward_1): Likewise.
378 2009-01-09 Diego Novillo <dnovillo@google.com>
380 * gimple.h (struct gimple_statement_base)<uid>: Document
381 the restrictions on its use.
383 (gimple_set_uid): Tidy.
385 2009-01-09 Jakub Jelinek <jakub@redhat.com>
387 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
388 zero guard even if align_bytes != 0 and count is smaller than
391 2008-01-09 Vladimir Makarov <vmakarov@redhat.com>
393 PR rtl-optimization/38495
394 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
395 (add_range_and_copies_from_move_list): Print all added ranges.
396 Add ranges to memory optimized destination.
398 2009-01-09 Jakub Jelinek <jakub@redhat.com>
402 * config/i386/i386.c (override_options): Reject
403 -mstringop-strategy=rep_8byte with -m32.
404 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
405 to 1. Do count comparison against epilogue_size_needed at compile
406 time even when count_exp was constant forced into register. For
407 size_needed don't jump to epilogue, instead just avoid aligning
408 and invoke the body algorithm. If need_zero_guard, add zero guard
409 even if count is non-zero, but smaller than size_needed + number of
410 bytes that could be stored for alignment.
411 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
412 to 1. If need_zero_guard, add zero guard even if count is non-zero,
413 but smaller than size_needed + number of bytes that could be stored
414 for alignment. Compare size_needed with epilogue_size_needed instead
415 of desired_align - align, don't adjust size_needed, pass
416 epilogue_size_needed to the epilogue expanders.
419 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
421 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
423 * pa.c (last_address): Change to unsigned.
424 (update_total_code_bytes): Change argument to unsigned. Don't
425 check if insn addresses are set.
426 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
427 addresses are not set.
428 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
430 2009-01-09 Nick Clifton <nickc@redhat.com>
432 * config/sh/symbian.c: Replace uses of DECL_INLINE with
433 DECL_DECLARED_INLINE_P.
435 2009-01-09 Jakub Jelinek <jakub@redhat.com>
438 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
439 GET_MODE (op0) in operand_subword_force calls.
442 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
443 fold_convert arg0 operands to TREE_TYPE (op0) first.
445 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
447 * params.def (ira-max-conflict-table-size): Decrease default value
450 2009-01-08 Jakub Jelinek <jakub@redhat.com>
452 PR tree-optimization/37031
453 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
455 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
456 allocate it using gc instead of heap, use VEC_quick_push instead of
458 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
459 instead of heap, use VEC_quick_push instead of VEC_safe_push.
460 * tree-data-ref.h (struct access_matrix): Change matrix to gc
461 allocated vector from heap allocated.
462 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
463 * tree-loop-linear.c (linear_transform_loops): Allocate nest
464 vector only after perfect_loop_nest_depth call.
466 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
467 Jan Sjodin <jan.sjodin@amd.com>
469 PR tree-optimization/38559
470 * graphite.c (debug_value, copy_constraint,
471 swap_constraint_variables, scale_constraint_variable, ): New.
472 (get_lower_bound, get_upper_bound): Removed.
473 (graphite_trans_bb_strip_mine): Clean up this code that works
474 only for constant number of iterations. Fully copy upper and
475 lower bound constraints, not only the constant part of them.
476 * graphite.h (debug_value): Declared.
478 2009-01-08 Ira Rosen <irar@il.ibm.com>
480 PR tree-optimization/37194
481 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
482 Don't add the cost of cost model guard in prologue to scalar
483 outside cost in case of known number of iterations.
485 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
486 Alan Modra <amodra@bigpond.net.au>
488 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
489 non-word-aligned REG+CONST addressing.
491 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
494 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
495 free_after_compilation when outputting a thunk.
496 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
497 Do not call free_after_compilation here.
499 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
501 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
502 (ix86_valid_target_attribute_inner_p): Ditto.
504 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
506 PR tree-optimization/38492
507 PR tree-optimization/38498
508 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
509 * tree-chrec.h (scev_is_linear_expression): Declared.
510 * graphite.c (graphite_cannot_represent_loop_niter): New.
511 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
512 (graphite_loop_normal_form): Use gcc_assert.
513 (scan_tree_for_params): Use CASE_CONVERT.
514 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
515 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
516 Use gcc_assert. Discard scops that contain unhandled cases.
517 (build_scop_conditions): Return a boolean status for unhandled cases.
518 (strip_mine_profitable_p): Print the loop number, not its depth.
519 (is_interchange_valid): Pass the depth of the loop nest, don't
520 recompute it wrongly.
521 (graphite_trans_bb_block): Same.
522 (graphite_trans_bb_block): Print tentative of loop blocking.
523 (graphite_trans_scop_block): Do not print that the loop has been
525 (graphite_transform_loops): Do not handle scops that contain condition
528 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
530 AVX Programming Reference (December, 2008)
531 * config/i386/avxintrin.h (_mm256_stream_si256): New.
532 (_mm256_stream_pd): Likewise.
533 (_mm256_stream_ps): Likewise.
535 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
536 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
537 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
538 (bdesc_special_args): Add __builtin_ia32_movntdq256,
539 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
540 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
541 (ix86_expand_special_args_builtin): Likewise.
543 * config/i386/sse.md (AVXMODEDI): New.
544 (avx_movnt<mode>): Likewise.
545 (avx_movnt<mode>): Likewise.
546 (<sse>_movnt<mode>): Remove AVX support.
547 (sse2_movntv2di): Likewise.
549 2009-01-07 Richard Guenther <rguenther@suse.de>
552 * fold-const.c (extract_muldiv): Remove obsolete comment.
553 (fold_plusminus_mult_expr): Undo MINUS_EXPR
554 to PLUS_EXPR canonicalization for the canonicalization.
556 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
558 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
559 hosted cross-compilers generating less efficient code.
561 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
563 * function.h (rtl_data): Add a dbr_scheduled_p field.
564 * reorg.c (dbr_schedule): Set it.
565 (gate_handle_delay_slots): Check it.
566 * config/mips/mips.c (mips_base_delayed_branch): Delete.
567 (mips_reorg): Check flag_delayed_branch instead of
568 mips_base_delayed_branch.
569 (mips_override_options): Don't set mips_base_delayed_branch
570 or flag_delayed_branch.
572 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
574 PR rtl-optimization/38426.
575 * ira.c (ira): Set current_function_is_leaf earlier.
577 2009-01-06 Jakub Jelinek <jakub@redhat.com>
579 PR rtl-optimization/38722
580 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
581 too early, only set a flag and modify after last possible
584 2009-01-06 Janis Johnson <janis187@us.ibm.com>
587 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
588 * real.c (decimal_single_format): Correct values of emin and emax.
589 (decimal_double_format): Ditto.
590 (decimal_quad_format): Ditto.
591 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
592 computation of DECnn_MIN and DECnn_MAX for corrected values of
593 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
594 __DECnn_MIN__, and adjust its computation for the corrected value
597 2009-01-06 Jan Hubicka <jh@suse.cz>
600 * i386.c (ix86_expand_call): Use ARRAY_SIZE.
602 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
604 * doc/contrib.texi (Contributors): Slightly adjust the end note.
605 Add Robert Clark to the list of testers.
607 2009-01-06 Jan Hubicka <jh@suse.cz>
608 Kai Tietz <kai.tietz@onevision.com>
610 * i386.md (*msabi_syvabi): Add SSE regs clobbers.
611 * i386.c (ix86_expand_call): Add clobbers.
613 2009-01-06 Jan Hubicka <jh@suse.cz>
614 Kai Tietz <kai.tietz@onevision.com>
616 * i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used for w64 ABI.
617 * i386.c (struct ix86_frame): Add padding0 and nsseregs.
618 (ix86_nsaved_regs): Count only general purpose regs.
619 (ix86_nsaved_sseregs): New.
620 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
621 to 16 for w64; compute padding and size of sse reg save area.
622 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
623 general purpose regs.
624 (ix86_emit_save_sse_regs_using_mov): New.
625 (ix86_expand_prologue): Save SSE regs if needed.
626 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
627 (ix86_emit_restore_sse_regs_using_mov): New.
628 (ix86_expand_epilogue): Save SSE regs if needed.
630 2009-01-06 Jan Hubicka <jh@suse.cz>
631 Kai Tietz <kai.tietz@onevision.com>
633 * i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
634 * i386.c (init_cumulative_args): Disallow calls of MSABI functions
635 when accumulate outgoing args is off.
637 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
640 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
641 before using pseudos_have_intersected_live_ranges_p.
643 * ira-int.h (ira_assert): Always define.
645 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
647 AVX Programming Reference (December, 2008)
648 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
649 (_mm256_permute2_pd): Likewise.
650 (_mm_permute2_ps): Likewise.
651 (_mm256_permute2_ps): Likewise.
652 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
653 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
655 * config/i386/i386.c (ix86_builtins): Remove
656 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
657 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
658 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
659 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
660 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
661 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
662 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
663 __builtin_ia32_vpermil2ps256.
664 (ix86_init_mmx_sse_builtins): Updated.
665 (ix86_expand_args_builtin): Likewise.
667 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
669 * pa.c (output_call): Relocate non-jump insns in the delay slot of
670 long absolute calls when generating PA 2.0 code.
672 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
674 PR rtl-optimization/38583
675 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
677 * params.def (ira-max-conflict-table-size): New.
679 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
681 * ira.h (ira_conflicts_p): New external definition.
683 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
684 table. Report this. Return result of building.
685 (ira_build_conflicts): Use ira_conflicts_p. Check result of
686 building conflict table.
688 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
689 (ira_color): Use ira_conflicts_p.
691 * global.c: Include ira.h.
692 (pseudo_for_reload_consideration_p, build_insn_chain): Use
695 * Makefile.in (global.o): Add ira.h.
697 * ira-build.c (mark_all_loops_for_removal,
698 propagate_some_info_from_allocno): New.
699 (remove_unnecessary_allocnos): Call
700 propagate_some_info_from_allocno.
701 (remove_low_level_allocnos): New.
702 (remove_unnecessary_regions): Add parameter. Call
703 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
704 parameter to remove_unnecessary_regions.
705 (ira_build): Remove all regions but root if the conflict table was
706 not built. Update conflict hard regs for allocnos crossing calls.
708 * ira.c (ira_conflicts_p): New global.
709 (ira): Define and use ira_conflicts_p.
711 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
712 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
713 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
715 2009-01-06 Ben Elliston <bje@au.ibm.com>
717 * gengtype-lex.l (YY_NO_INPUT): Define.
719 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
722 * c-common.c (handle_vector_size_attribute): Also reject
725 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
727 PR tree-optimization/38492
728 * graphite.c (rename_map_elt, debug_rename_elt,
729 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
730 rename_map_elt_info, eq_rename_map_elts,
731 get_new_name_from_old_name, bb_in_sese_p): Moved around.
732 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
733 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
734 (sese_build_livein_liveouts): New.
735 (new_sese, free_sese): New.
736 (new_scop): Call new_sese.
737 (free_scop): Call free_sese.
738 (rename_variables_from_edge, rename_phis_end_scop): Removed.
739 (register_old_new_names): Renamed register_old_and_new_names.
740 (register_scop_liveout_renames, add_loop_exit_phis,
741 insert_loop_close_phis, struct igp,
742 default_liveout_before_guard, add_guard_exit_phis,
743 insert_guard_phis, copy_renames): New.
744 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
745 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
746 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
747 (scop_adjust_phis_for_liveouts): New.
748 (gloog): Call scop_adjust_phis_for_liveouts.
750 * graphite.h (struct sese): Documented. Added fields liveout,
752 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
753 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
754 (struct scop): Added field liveout_renames.
755 (SCOP_LIVEOUT_RENAMES): New.
757 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
759 PR tree-optimization/38510
760 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
761 (translate_clast): Call recompute_all_dominators before
763 (gloog): Call recompute_all_dominators before graphite_verify.
765 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
766 Jan Sjodin <jan.sjodin@amd.com>
768 PR tree-optimization/38500
769 * graphite.c (create_sese_edges): Call fix_loop_structure after
772 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
774 * config.gcc: Add m32r*-*-rtems*.
775 * config/m32r/rtems.h: New file.
777 2009-01-05 Ben Elliston <bje@au.ibm.com>
779 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
781 (po/gcc.pot): Likewise.
783 2009-01-04 David S. Miller <davem@davemloft.net>
785 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
786 (STARTING_FRAME_OFFSET): Always set to zero.
788 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
790 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
791 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
792 fixed-point types, and vectors of the same.
794 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
796 * config/mips/sync.md (*mb_barrier): Rename to...
797 (*memory_barrier): ...this.
799 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
801 * doc/extend.texi (Function Attributes): Move @cindex after @item
802 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
803 and put in alphabetical order. Fix 'target' name and put in order.
804 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
807 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
809 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
810 (memory_barrier): Expand as unspec instead of unspec_volatile.
811 Remove mem:BLK from insn operands. Use Pmode scratch register.
812 (*memory_barrier): Define as unspec instead of unspec_volatile.
813 Use (match_dup 0) as input operand.
815 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
816 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
817 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
818 scratch register. Remove operand 1.
819 (*stbar): Define as unspec instead of unspec_volatile.
820 Use (match_dup 0) as input operand, remove (const_int 8).
821 (*membar): Define as unspec instead of unspec_volatile.
822 Use (match_dup 0) as input operand, remove input operand 2.
824 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
825 (memory_barrier): Expand as unspec instead of unspec_volatile.
826 Remove mem:BLK from insn operands. Use Pmode scratch register.
827 (*memory_barrier): Define as unspec instead of unspec_volatile.
828 Use (match_dup 0) as input operand.
830 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
831 Remove mem:BLK from insn operands. Use Pmode scratch register.
832 Set volatile flag on operand 0.
833 (*memory_barrier): New insn pattern.
835 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
837 (*memory_barrier): Use (match_dup 0) as input operand.
839 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
840 Remove mem:BLK from insn operands. Use Pmode scratch register.
841 Set volatile flag on operand 0.
842 (*mb_internal): New insn pattern.
844 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
846 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
849 * function.c (struct temp_slot): Move to the section of the file
850 that deals with temp slots. Remove field 'address'.
851 (temp_slot_address_table): New hash table of address -> temp slot.
852 (struct temp_slot_address_entry): New struct, items for the table.
853 (temp_slot_address_compute_hash, temp_slot_address_hash,
854 temp_slot_address_eq, insert_temp_slot_address): Support functions
856 (find_temp_slot_from_address): Rewrite to use the new hash table.
857 (remove_unused_temp_slot_addresses): Remove addresses of temp
858 slots that have been made available.
859 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
860 worker function for remove_unused_temp_slot_addresses.
861 (assign_stack_temp_for_type): Don't clear the temp slot address list.
862 Add the temp slot address to the address -> temp slot map.
863 (update_temp_slot_address): Update via insert_temp_slot_address.
864 (free_temp_slots): Call remove_unused_temp_slot_addresses.
865 (pop_temp_slots): Likewise.
866 (init_temp_slots): Allocate the address -> temp slot map, or empty
867 the map if it is already allocated.
868 (prepare_function_start): Initialize temp slot processing.
870 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
873 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
874 Calculate the size of all stack vars assuming no packing of stack
875 vars will happen, replacing a quadratic algorithm with a linear one.
877 2009-01-03 Jakub Jelinek <jakub@redhat.com>
880 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
883 2009-01-03 Diego Novillo <dnovillo@google.com>
885 * doc/contrib.texi: Update contributions.
887 2009-01-03 Jakub Jelinek <jakub@redhat.com>
890 * builtins.c (fold_builtin_memory_op): Give up if either operand
891 is volatile. Set srctype or desttype to non-qualified version
895 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
898 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
900 PR rtl-optimization/35805
901 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
902 problem if fast dce is able to remove any instructions.
903 * dce.c (dce_process_block): Fix dump message.
905 2009-01-02 Mark Mitchell <mark@codesourcery.com>
908 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
910 2009-01-02 Jakub Jelinek <jakub@redhat.com>
913 * tree-flow.h (op_code_prio, op_prio): New prototypes.
914 * tree-pretty-print.c (op_code_prio): New function.
915 (op_prio): No longer static. Use op_code_prio.
916 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
917 Use op_prio and op_code_prio to determine if () should be
918 printed around operand(s) or not.
920 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
921 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
922 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
923 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
924 pp_character instead of pp_string for single letter printing.
926 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
928 * doc/extend.texi: Fix '#pragma GCC option' typo.
930 2009-01-02 Richard Guenther <rguenther@suse.de>
932 * doc/install.texi (--enable-checking): Mention different
934 (--enable-stage1-checking): Document.
936 2009-01-01 Andrew Pinski <pinskia@gmail.com>
939 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
942 2009-01-02 Ben Elliston <bje@au.ibm.com>
944 * config/fp-bit.h (pack_d): Constify argument.
945 * config/fp-bit.c (makenan): Constify return type. Remove casts.
946 (isnan): Constify argument.
950 (_fpadd_parts): Constify return type.
951 (_fpmul_parts): Likewise.
952 (_fpdiv_parts): Likewise.
954 2009-01-01 Jakub Jelinek <jakub@redhat.com>
957 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
958 warn about overwriting initializer with side-effects or
959 -Woverride-init if !IMPLICIT.
960 (output_init_element): Likewise. Pass IMPLICIT down to
962 (process_init_element): Add IMPLICIT argument. Pass it down
963 to output_init_element.
964 (push_init_element, pop_init_level, set_designator): Adjust
965 process_init_element callers.
966 (set_nonincremental_init, set_nonincremental_init_from_string):
967 Adjust add_pending_init callers.
968 (output_pending_init_elements): Adjust output_init_element callers.
969 * c-tree.h (process_init_element): Adjust prototype.
970 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
971 process_init_element callers.